Docker Compose 'Network Not Found' Error Fix - External Monitor Black Screen in Chrome Troubleshooting-Troubleshoot Edge Preparing Sync Error

Updated 2026-07-28 06:22:56macos-help
Docker Compose 'Network Not Found' Error Fix - External Monitor Black Screen in Chrome Troubleshooting-Troubleshoot Edge Preparing Sync Error
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.